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Geosyntec oo <br /> consultants <br /> SOIL GAS PROBE MEASUREMENTS 1111 Broadway,6th Floor <br /> Oakland,California 94607 <br /> (510)836-3034 Fax(510)836-3036 <br /> 10 Project Na e: a y-+ �' `' 1 Probe No.: S� y Z _ ❑Sub-slab probe Soil gas probe <br /> ''" Mini Ra g�,� 3 , _ / <br /> Dote: Project Number:V1,��- � e99 SerEal Na.: ���2 i �W w � i Lamp: 11.7 eV <br /> Site Location: �� , Landtech GEM-P89D Landfill Gas Meter Serial No.M: � <br /> Weather. "t`^ MDG 2002 Helium detector Serial No.: a 31 moo— eL�Ll <br /> Field Personnel: 5 Tracer Gas: E elium ❑Other <br /> Recorded By: �k(iV i"4 Ae <br /> �2 Surface Type: ❑Asphalt ❑ Concrete ❑ Grass Otherol 1 Casing VolumeO5 Shut in test prior to pneumatic test completed, O in.H2O held for Qeconds. <br /> ❑Sub-slab <br /> Surface Thickness inches/centimeters ErUnknown <0.1 L ©Start of Pneumatic Test: 2- <br /> (i.e., <br /> -(i.e.,asphalt or concrete) Soil gas probe (L) <br /> Elapsed Time Pump Well Head <br /> 4 Initial Vacuum (prior to pumping) in.H O <br /> (min.) Flow Rate Vacuum <br /> Ip P P 9) 2 min. (LPM) in.H2O <br /> 0.1 <br /> 0 Field tubing blank reading(ppm ) completed? Wires ❑No PID Reading ppm„ r 0.2 00 <br /> ® Shut in test prior to purging completed? Yes ET"qo❑ 0.5 <br /> 0 - 15, <br /> 0 Purging Tracer Gas <br /> Sample VOCs <br /> Date Start End Elapsed Bag Purge Cumulative CH, CO2 02 Shroud (%) by PID <br /> Time Time Time Volume Rate Volume M M N (ppm,,. (ppmv) <br /> (min.) (L) (LPM) (L) Min Max (circle one) <br /> In W)J 12-Liy 12144 S l o t ,O ?'_7_70 1 . 5 " Z Z-z- 3S 182.3 <br /> Iz99 / ZSq Z _ o s (Z) v (-7:� - (m� IS zZ. 'i -S <br /> j•zS5 13 a-o S j o Z -3 D 7__�7(1 S -S I g Z 9 _S l U1 .0 <br /> 10 Helium concentration in field screened samples is less than 5%of minimum concentration in 11 Shut in test prior to sample collection completed? Yes I3 No ❑ <br /> the shroud? [:]Yes ❑ No Note:1%helium=10,000 ppm„ <br /> 12 Sample Collection <br /> Date Time Sample ID Summa Canister ID Flow Controller# Vacuum Gauge# Initial Vacuum Final Vacuum <br /> (in.Hg) (in.Hg) <br /> 0/1:2-2101 (3r_S - SVP - i � ®0('q-+8 010 3 <br /> '3 <br /> 3 Comments: +,. ,' <br /> E CID <br /> J <br />